The main intention of our work in [1] was to design a low voltage, low power low‐pass filter for ECG signal front‐end processing. For this purpose, we proposed a bulk‐driven voltage follower (Figure 1(a) in [1]). We considered Ref [18] (cited in our paper and given below as [3]) by Sawigun et al., as the base paper. The circuit in [18] is a gate driven with a 0.5 V supply but we designed a bulk driven

Recently, a new paper1 entitled “A 0.3‐V, 2.4‐nW, and 100‐Hz fourth‐order LPF for ECG signal Processing” (https://doi.org/10.1002/cta.2839) was published in Int. J. of Circuit Theory and Applications. In this paper, the authors describe a fourth‐order biopotential filter for ECG applications, which is based on a new (in their opinion) low‐voltage bulk‐driven voltage follower. The authors devoted an

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A new method for computation of discrete wavelet transform (DWT) is introduced. The impulse response of the FIR filter, as the main block in filter bank (FB) method, is realized such that orthonormal wavelet transform is achieved without using any multiplier as the most challenging part of the FIR filters. The occupied slices and LUTs in the FPGA realization of the proposed wavelet in comparison with

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